2016-01-17 22:59:05 +01:00
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/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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* Copyright (C) 2016, Libre Space Foundation <http://librespacefoundation.org/>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_SATNOGS_CW_MATCHED_FILTER_FF_IMPL_H
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#define INCLUDED_SATNOGS_CW_MATCHED_FILTER_FF_IMPL_H
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#include <satnogs/cw_matched_filter_ff.h>
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2016-02-17 02:16:18 +01:00
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#include <boost/thread/mutex.hpp>
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2016-01-17 22:59:05 +01:00
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2016-02-17 02:16:18 +01:00
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namespace gr
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{
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namespace satnogs
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{
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2016-01-17 22:59:05 +01:00
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class cw_matched_filter_ff_impl : public cw_matched_filter_ff
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{
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2016-02-17 02:16:18 +01:00
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private:
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/**
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* The sampling rate of the signal
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*/
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const double d_samp_rate;
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/**
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* The duration of the dot in seconds
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*/
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const double d_dot_duration;
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/**
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* If set to true, this block produces the energy of the filtered
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* samples, rather the samples themselves
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*/
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const bool d_produce_enrg;
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/**
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* The duration of the dot in number of samples
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*/
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const size_t d_dot_samples;
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float *d_sin_wave;
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2016-01-17 22:59:05 +01:00
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2016-02-17 02:16:18 +01:00
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boost::mutex d_mutex;
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2016-01-17 22:59:05 +01:00
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2016-02-17 02:16:18 +01:00
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void
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new_freq_msg_handler(pmt::pmt_t msg);
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public:
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cw_matched_filter_ff_impl (double sampling_rate, double carrier_freq,
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size_t wpm, bool energy_out);
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~cw_matched_filter_ff_impl ();
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2016-01-17 22:59:05 +01:00
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// Where all the action really happens
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2016-02-17 02:16:18 +01:00
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int
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work (int noutput_items, gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items);
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void
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set_new_freq(double freq);
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void
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set_new_freq_locked(double freq);
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2016-01-17 22:59:05 +01:00
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};
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} // namespace satnogs
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} // namespace gr
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#endif /* INCLUDED_SATNOGS_CW_MATCHED_FILTER_FF_IMPL_H */
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